#include <bits/stdc++.h>
using namespace std;
int n;
int a[100005];
//eat and eaten
int cnt[100005];
bool cmp(int a,int b)
{
    return a < b;
}

int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin >> n;
    for(int i = 1 ;i <= n; i++)
    {
        scanf("%d",&a[i]);
    }
    sort(a+1,a+n+1,cmp);
    for(int i = 1 ; i <= n; i++)
    {
        cnt[a[i]]++;
    }
    int ans = -1e9;
    for(int i = 1; i <= n; i++)
    {
        ans = max(ans,cnt[a[i]]);
    }
    cout << ans;
    return 0;
}
